Wenzhou Zheheng Steel Industry Co.,Ltd
| Payment Terms | L/C, D/P, T/T, Western Union |
| Supply Ability | 5000 Ton/Tons per Month |
| Delivery Time | 7-15 working days after receiving payment |
| Packaging Details | Seaworthy Standard Package |
| NPS | 1/8''-24'' |
| Grade | 630 Stainless steel |
| Wall thickness | SCH10S,SCH40, SCH XS, SCH 60,SCH80S,SCH12020,SCH1160,SCH |
| Delivery time | 15-21 Days |
| Application | Valves and gears,Engine components,High strength and boat propeller shafts,Plastic moulding dies |
| Section shape | Round |
| Finished | Annealing Pickling, Bright Annealing |
| Price term | FOB CIF CFR EXW etc. |
| Brand Name | Zheheng |
| Model Number | 630 |
| Certification | ISO9001 |
| Place of Origin | Wenzhou,China |
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Product Specification
| Payment Terms | L/C, D/P, T/T, Western Union | Supply Ability | 5000 Ton/Tons per Month |
| Delivery Time | 7-15 working days after receiving payment | Packaging Details | Seaworthy Standard Package |
| NPS | 1/8''-24'' | Grade | 630 Stainless steel |
| Wall thickness | SCH10S,SCH40, SCH XS, SCH 60,SCH80S,SCH12020,SCH1160,SCH | Delivery time | 15-21 Days |
| Application | Valves and gears,Engine components,High strength and boat propeller shafts,Plastic moulding dies | Section shape | Round |
| Finished | Annealing Pickling, Bright Annealing | Price term | FOB CIF CFR EXW etc. |
| Brand Name | Zheheng | Model Number | 630 |
| Certification | ISO9001 | Place of Origin | Wenzhou,China |
| High Light | Welded Seamless Pipe For Valves ，S17400 Stainless Steel Pipe ，Astm A564 Stainless Steel Pipe | ||
Overview
630 stainless steel, also known as 17-4 PH or 17-4 Precipitation Hardening steel, is a martensitic stainless steel containing approximately 15–17% chromium and 3–5% nickel. Due to its precipitation-hardening characteristics, it has excellent corrosion resistance and superior strength at high hardening depths. It can be used in applications requiring good mechanical properties at elevated temperatures up to 600°F (316°C).
One of the key benefits of this grade is that it is available in solution treated conditions, at which they can be easily machined and age-hardened to attain high strength. The age treatment of grade 630 is carried out at low temperatures, to avoid significant distortion. Therefore, this grade is used for applications such as the manufacture of long shafts that do not require re-straightening after heat treatment.
Chemical composition
| Grade | C | Mn | Si | P | S | Cr | Ni | Cu | Nb+Ta |
| 630 | - | - | - | - | - | 15 | 3 | 3 | 0.15 |
| 0.07 | 1 | 1 | 0.04 | 0.03 | 17.5 | 5 | 5 | 0.45 |
Mechanical Properties
| Condition | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness | |
| Rockwell C (HR C) | Brinell (HB) | ||||
| Solution Treated | 1105 typ | 1000 typ | 15 typ | 38 max | 363 max |
| Condition 900 | 1310 min | 1170 min | 10 min | 40 min | 388 min |
| Condition 1150 | 930 min | 724 min | 16 min | 28 min | 277 min |
Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Elec Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 630 | 7750 | 197 | 10.8 | 11.6 | – | 18.4 | 22.7 | 460 | 800 |
Application
1. Aerospace field: For the manufacture of aircraft engines and oxidation products and high-pressure gas corrosive environment.
2. Automotive manufacturing: For the manufacture of brake and suspension parts and other parts.
3. Medical equipment: used to manufacture large bone scaffolds, artificial joints and artificial heart valves.
4. Oil and gas extraction: Used to manufacture pipe and valve materials, which are used in oil production environments due to their corrosion resistance and high temperature strength.
5. General machinery manufacturing: used to manufacture high-load pump parts, valves, springs, clasp rings, etc.
Corrosion Resistance
Grade 630 stainless steels have good corrosion resistance in many environments. They exhibit improved resistance against stress corrosion cracking, if aged at 550°C or more. However, grade 630 steels are less resistant to solution treated Condition A.
Heat Resistance
Grade 630 stainless steels have good resistance to oxidation. However, long-time exposure of grade 630 to temperatures of 370 to 480°C should be avoided, to prevent loss of toughness at ambient temperature. These grades should not be used at temperatures above age-hardening temperature, to avoid reduction of hardness and mechanical properties of the metal.
Why choose us
1.Size control
2.Chemical composition control
4.ultrasonic testing of steel tube
3.hydraulic testing machine
Package detail
Shipping
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company
Year Established:
1995
Total Annual:
6,000,000-8,000,000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta... Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta...
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